This type of pedal is divided into left and right pedals, please install them according to the "L" and "R" marked above the pedal shaft. Folding bike plastic pedal + aluminum version. Color; black as picture Weight: 400g/pair? size? 11*7*3CM? Rotation, ball, introduction The pedals are designed with anti-skid to increase friction. The one-handed gram can be easily folded for easy storage and can be used for folding bikes, mountain bikes, road bikes. Instructions for use of folding pedals: 1. Push the rotating shaft by hand and turn it up and down 90°, which is the folded state. 2. Do not forcibly fold the pedals. 3. When riding, the power point of the pedal should be in the center, not the end of the pedal